diff options
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 5f2d74ed5ad7..264182654f4c 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -33,6 +33,7 @@ #include <linux/usb.h> #include <linux/moduleparam.h> #include <linux/dma-mapping.h> +#include <linux/debugfs.h> #include "../core/hcd.h" @@ -978,15 +979,30 @@ static int __init ehci_hcd_init(void) sizeof(struct ehci_qh), sizeof(struct ehci_qtd), sizeof(struct ehci_itd), sizeof(struct ehci_sitd)); +#ifdef DEBUG + ehci_debug_root = debugfs_create_dir("ehci", NULL); + if (!ehci_debug_root) + return -ENOENT; +#endif + #ifdef PLATFORM_DRIVER retval = platform_driver_register(&PLATFORM_DRIVER); - if (retval < 0) + if (retval < 0) { +#ifdef DEBUG + debugfs_remove(ehci_debug_root); + ehci_debug_root = NULL; +#endif return retval; + } #endif #ifdef PCI_DRIVER retval = pci_register_driver(&PCI_DRIVER); if (retval < 0) { +#ifdef DEBUG + debugfs_remove(ehci_debug_root); + ehci_debug_root = NULL; +#endif #ifdef PLATFORM_DRIVER platform_driver_unregister(&PLATFORM_DRIVER); #endif @@ -997,6 +1013,10 @@ static int __init ehci_hcd_init(void) #ifdef PS3_SYSTEM_BUS_DRIVER retval = ps3_ehci_driver_register(&PS3_SYSTEM_BUS_DRIVER); if (retval < 0) { +#ifdef DEBUG + debugfs_remove(ehci_debug_root); + ehci_debug_root = NULL; +#endif #ifdef PLATFORM_DRIVER platform_driver_unregister(&PLATFORM_DRIVER); #endif @@ -1022,6 +1042,9 @@ static void __exit ehci_hcd_cleanup(void) #ifdef PS3_SYSTEM_BUS_DRIVER ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER); #endif +#ifdef DEBUG + debugfs_remove(ehci_debug_root); +#endif } module_exit(ehci_hcd_cleanup); |